发明名称 |
CLEANER FOR USE IN SEMICONDUCTOR EQIUPMENT |
摘要 |
A cleaning apparatus of semiconductor manufacturing equipment is provided to restrain the degradation of a polishing pad and to remove effectively a predetermined layer from a wafer by using spraying nozzles capable of supplying a cleaning solution onto the polishing pad from center to edge. A cleaning apparatus includes a rotatable arm, a plurality of first nozzles and a second nozzle. The rotatable arm(204) is installed over a polishing pad. The plurality of first nozzles(206) are attached to a lower portion of the arm in a length direction in order to spray a predetermined fluid to the polishing pad. The second nozzle(208) for spraying the fluid to even the center of the polishing pad is attached to an outer end of the arm.
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申请公布号 |
KR20050026766(A) |
申请公布日期 |
2005.03.16 |
申请号 |
KR20030062888 |
申请日期 |
2003.09.09 |
申请人 |
SAMSUNG ELECTRONICS CO., LTD. |
发明人 |
HAN, OH YUN;KIM, JONG BOK;SUNG, SOON HWAN |
分类号 |
H01L21/304;(IPC1-7):H01L21/304 |
主分类号 |
H01L21/304 |
代理机构 |
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代理人 |
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主权项 |
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地址 |
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